C/2020 R4 (ATLAS) (Record n° 23081)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 18 04h31 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11.8 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 15.5 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " r (dist/Sun) 1.063 AU d (dist/Earth) 1.316 AU Right ascension 20 20 29.17 h m s Declination -07 35 13.9 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.03.18 06:55:00
AC2 fkugel@free.fr
NET USNO-SA2.0
CK20R040 C2021 03 18.18828 20 20 29.17 -07 35 13.9 15.5 V A77
CK20R040 C2021 03 18.19199 20 20 28.75 -07 35 11.1 15.5 V A77
CK20R040 C2021 03 18.19616 20 20 28.47 -07 35 06.1 11.8 T A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 18x30s Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Mar 18 06h57m06s Observation modification date 2021 Mar 18 07h21m08s